package com.atguigu.crowd.service.impl;

import com.atguigu.crowd.entity.po.MemberConfirmInfoPO;
import com.atguigu.crowd.entity.po.MemberLaunchInfoPO;
import com.atguigu.crowd.entity.po.ProjectPO;
import com.atguigu.crowd.entity.po.ReturnPO;
import com.atguigu.crowd.entity.vo.*;
import com.atguigu.crowd.mapper.MemberConfirmInfoPOMapper;
import com.atguigu.crowd.mapper.MemberLaunchInfoPOMapper;
import com.atguigu.crowd.mapper.ProjectPOMapper;
import com.atguigu.crowd.mapper.ReturnPOMapper;
import com.atguigu.crowd.service.api.ProjectService;
import com.atguigu.crowd.util.ResultEntity;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import javax.xml.crypto.Data;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

@Service
@Transactional(readOnly = true)
public class ProjectServiceImpl implements ProjectService {

    @Autowired
    private ProjectPOMapper projectPOMapper;

    @Autowired
    private MemberLaunchInfoPOMapper memberLaunchInfoPOMapper;

    @Autowired
    private ReturnPOMapper returnPOMapper;

    @Autowired
    private MemberConfirmInfoPOMapper memberConfirmInfoPOMapper;

    @Transactional(readOnly = false, propagation = Propagation.REQUIRES_NEW, rollbackFor = Exception.class)
    @Override
    public void saveProject(ProjectVO projectVO, Integer memberId) {
        // 1.保存projectPo对象
        ProjectPO projectPO = new ProjectPO();
        BeanUtils.copyProperties(projectVO, projectPO);
        projectPO.setMemberid(memberId);
        String createTime = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
        projectPO.setCreatedate(createTime);
        projectPO.setStatus(0);

        projectPOMapper.insertSelective(projectPO);


        // 二、保存项目、分类的关联关系信息
        List<Integer> typeIdList = projectVO.getTypeIdList();
        Integer projectId = projectPO.getId();

        projectPOMapper.insertTypeRelationship(projectId, typeIdList);

        // 三、保存项目、标签的关联关系信息
        List<Integer> tagIdList = projectVO.getTagIdList();
        projectPOMapper.insertTagRelationship(projectId, tagIdList);
        // 四、保存项目中详情图片路径信息

        List<String> detailPicturePathList = projectVO.getDetailPicturePathList();

        projectPOMapper.insertDetailPictureRelationship(projectId, detailPicturePathList);
        // 五、保存项目发起人信息

        MemberLauchInfoVO memberLauchInfoVO = projectVO.getMemberLauchInfoVO();

        MemberLaunchInfoPO memberLaunchInfoPO = new MemberLaunchInfoPO();

        BeanUtils.copyProperties(memberLauchInfoVO, memberLaunchInfoPO);
        memberLaunchInfoPO.setMemberid(memberId);
        memberLaunchInfoPOMapper.insert(memberLaunchInfoPO);

        // 六、保存项目回报信息

        List<ReturnVO> returnVOList = projectVO.getReturnVOList();
        List<ReturnPO> returnPOList = new ArrayList<>();

        for (ReturnVO returnVO : returnVOList) {
            ReturnPO returnPO = new ReturnPO();
            BeanUtils.copyProperties(returnVO, returnPO);
            returnPO.setProjectid(projectId);
            returnPOList.add(returnPO);
        }

        returnPOMapper.batchInsert(returnPOList);

        // 七、保存项目确认信息
        MemberConfirmInfoVO memberConfirmInfoVO = projectVO.getMemberConfirmInfoVO();
        MemberConfirmInfoPO memberConfirmInfoPO = new MemberConfirmInfoPO();
        BeanUtils.copyProperties(memberConfirmInfoVO, memberConfirmInfoPO);
        memberConfirmInfoPO.setMemberid(memberId);

        memberConfirmInfoPOMapper.insert(memberConfirmInfoPO);

    }

    @Override
    public List<PortalTypeVO> getPortalTypeVo() {

        return projectPOMapper.selectPortalTypeVOList();
    }

    @Override
    public DetailProjectVO getDetailProjectVo(Integer projectId) {
        // 1.查询得到 DetailProjectVO 对象
        DetailProjectVO detailProjectVO = projectPOMapper.selectDetailProjectVO(projectId);
        // 2.根据 status 确定 statusText
        Integer status = detailProjectVO.getStatus();
        switch (status) {
            case 0:
                detailProjectVO.setStatusText("审核中");
                break;
            case 1:
                detailProjectVO.setStatusText("众筹中");
                break;
            case 2:
                detailProjectVO.setStatusText("众筹成功");
                break;
            case 3:
                detailProjectVO.setStatusText("已关闭");
                break;
            default:
                break;
        }
        // 3.根据 deployeDate 计算 lastDay
        String deployDate = detailProjectVO.getDeployDate();
        // 获取当前日期
        Date currentDay = new Date();
        // 把众筹日期解析成 Date 类型
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
        try {
            Date deployDay = simpleDateFormat.parse(deployDate);
            // 获取当前当前日期的时间戳
            long currentTimeStamp = currentDay.getTime();
            // 获取众筹日期的时间戳
            long deployDayTimeStamp = deployDay.getTime();
            // 两个时间戳相减计算当前已经过去的时间
            long pastDays = (currentTimeStamp - deployDayTimeStamp) / 1000 / 60 / 60 / 24;
            // 获取总的众筹天数
            Integer totalDay = detailProjectVO.getDay();
            // 使用总的众筹天数减去已经过去的天数得到剩余天数
            Integer lastDays = (int) (totalDay - pastDays);

            detailProjectVO.setLastDay(lastDays);

        } catch (ParseException e) {
            e.printStackTrace();
        }
        return detailProjectVO;
    }
}
